Virtual symposium on “Nonlinear Energy Harvesting from Mechanical and Aeroelastic Vibrations” (ICNAAM2020)

Currently, an increasing research activity is observed in the field of distributed energy harvesting from ambient vibration. The result of these studies are complex systems using multi-field devices with piezoelectric, electrostatic, and electromagnetic transducers. High availability of vibration sources compensate relatively low efficiency. Linear transduces should be adjusted to the source frequencies in their resonance area while complex nonlinear devices have a frequency broadband effect. On the other hand, energy obtained in this way could be sufficient to power simple wireless and portable devices. From an engineering point of view, the design of the predominant piezoelectric structure for obtaining energy from mechanical vibrations is based on a flexible beam/plate as a mechanical resonator and a piezoelectric patch. To include nonlinear effects, the beam is interacting with permanent magnets or a system of nonlinear springs or the system is subjected to aerodynamic loads is used. Due to the fact that during ambient vibration harvesting, a wide spectrum of harmonics are excited, various coupled transducers adjusted and tested to different frequencies and/or flow speeds.

This workshop is going to be organized in the frame of “the International Conference of Numerical Analysis and Applied Mathematics 2020”.

(ICNAAM2020 URL address: http://www.icnaam.org)

Keywords

• energy harvesting
• nonlinear dynamics
• smart material
• multiple responses
• broadband effect
• size dependency

Symposium organizers:

• Prof. Grzegorz Litak, Department of Automation, Lublin University of Technology, PL-20-618 Lublin, Poland, email: g.litak@pollub.pl,
• Dr. Piotr Wolszczak, Department of Automation, Lublin University of Technology, PL-20-618 Lublin, Poland, email: p.wolszczak@pollub.pl
• Dr. Abdessattar Abdelkefi, Department of Mechanical & Aerospace Engineering, New Mexico State University, Las Cruces, NM 88003, USA, email: abdu@nmsu.edu